Introduction to web graphics understanding the basics of web graphics

Introduction to Web Graphics Understanding the Basics of Web Graphics 1 WEB SERVERS 2 Objectives In this chapter, you will • Learn about Internet Information Services • Become familiar with the compon[.]

WEB SERVERS Objectives In this chapter, you will: • Learn about Internet Information Services • Become familiar with the components of a Web server, and specify the Web server's home directory and default document • Create and configure Web server physical directories, virtual directories, and applications Objectives In this chapter, you will: • Learn how to organize a Web server • Learn how to reference files on a Web server • Understand the factors that impact Web site performance Web Servers • Web servers: computers that are connected to the Internet and run Web server software • A personal Web server: allows only a limited number of user connections • A production Web server: available to anyone who connects to the Internet Internet Information Services • Internet Information Services (IIS) – Web server software that comes with Windows NT, Windows 2000, and Windows XP – Includes an administration utility to create, manage, and administer a Web server • A Web server is also called a Web site Internet Information Services • IIS administrative utility: performs Web server administrative tasks within IIS • In Windows XP, the administrative utility is part of Internet Information Services • IIS: the Web server software • IIS console: the administrative utility within IIS Internet Information Services • Console: an environment for administering a computer resource • Microsoft Management Console (MMC): an environment for administering computer resources • Snap-ins: Network administrators create custom consoles, which are components for computer management tasks that can be “snapped into” a generic console as needed Internet Information Services • IIS console: a custom console containing the Internet Information Services snap-in, which includes components for administering Web servers • Figure 5-1 shows the IIS console Web Server Components • Home directory: directory on the Web server that is the starting point for accessing the Web pages, graphic image files, programs, and other files that are available from the Web site • Console tree: displays the components within a Web server’s home directory as physical directories, virtual directories, and applications Web Server Components • Physical directories: created within the Web server’s home directory, or within directories that the Web administrator associates with other Web server components • Virtual directories: may or may not be physically within the Web server’s home directory, but appear to client browsers as though they are • Applications: virtual directories that have the permissions necessary to run server-side executable programs and scripts 10 ... physical directories, virtual directories, and applications 18 Physical Directories • Physical directories: enable the Web administrator to – Organize the contents of the local Web site – Control... physical directory on the Web server’s home directory, a user can enter the URL for a Web server, a front slash (/), the name of the physical directory, another front slash, and the filename 20... the Home Directory properties page specify permissions that the system grants to users who connect to the Web site in the home directory 14 The Home Directory Properties Page • Today, most computers